which of the following statements about earths atmosphere is true?

Question

which of the following statements about earths atmosphere is true?

a. earths atmosphere contains 78 percent water vapor which is essential to life

b. earhts atmoshpere contains 21 percent oxygen

c. earths atmosphere contains carbon dioxide which all life forms require

d. earths atmosphere allows radiation from the sun to pass through it and warm earths surface

Is it A.?

Answer 1

Thanks for nothing people

Answer 2

I don't agree with A.

Answer 3

What is the answer?

Answer 4

yeyebro is an idiot the test is 22 qustions long

Answer 5

ITS D. A recent decrease in carbon dioxide levels will increase plant growth on Earth.

Answer 6

just whats the answer

Answer 7

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Please be patient. All tutors are volunteers, and sometimes a tutor may not be immediately available. Please be patient while waiting for a response to your question.

Answer 8

It is not A. Because the hydrosphere is the layer that contains all water. Therefor water vapor would be the hydrosphere. The answer would be B. The atmosphere contains 21% oxygen, 78% nitrogen and the rest is other gasses.

Answer 9

which of the following statements about earths atmosphere is true?

It's B

Thanks for nothing people

I don't agree with A.

What is the answer?

yeyebro is an idiot the test is 22 qustions long

ITS D. A recent decrease in carbon dioxide levels will increase plant growth on Earth.

just whats the answer

Homework Posting Tips

It is not A. Because the hydrosphere is the layer that contains all water. Therefor water vapor would be the hydrosphere. The answer would be B. The atmosphere contains 21% oxygen, 78% nitrogen and the rest is other gasses.

B nitrogen 78% and oxygen 21% are the most prevalent.